Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view thereof, in which a mobile terminal in broken lines is provided to illustrate an example environment.

The broken lines show environmental subject matter and unclaimed features of the graphical user interface and form no part of the claimed design. The broken-line outline of a square adjacent to the graphical user interface in FIG. 2 illustrates the bounds of the enlargement shown in FIG. 1 and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 